🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 9.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.57 AU - 0.59 AU

Year: 305 Days

Day: 11.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,109,711 km

• M1: 122,670 km (0.05 R)
• M2: 279,150 km (0.12 R)
• M3: 356,492 km (0.058 R)
• M4: 448,943 km (0.116 R)
• M5: 515,065 km (0.096 R)
• M6: 600,935 km (0.097 R)
• M7: 739,911 km (0.074 R)
• M8: 860,786 km (0.103 R)
• M9: 946,506 km (0.12 R)
• M10: 1,027,438 km (0.086 R)
• M11: 1,151,455 km (0.106 R)
• M12: 1,217,427 km (0.034 R)
• M13: 1,280,558 km (0.09 R)
• M14: 1,388,418 km (0.049 R)
• M15: 1,595,012 km (0.113 R)
• M16: 1,669,363 km (0.078 R)
• M17: 1,850,526 km (0.112 R)
• M18: 2,048,294 km (0.087 R)
• M19: 2,175,602 km (0.086 R)
• M20: 2,268,801 km (0.114 R)
• M21: 2,384,740 km (0.118 R)
• M22: 2,551,392 km (0.096 R)
• M23: 2,694,108 km (0.041 R)
• M24: 2,862,256 km (0.067 R)
• M25: 2,959,046 km (0.053 R)
• M26: 3,080,071 km (0.115 R)
• M27: 3,202,890 km (0.09 R)
• M28: 3,423,248 km (0.086 R)
• M29: 3,508,070 km (0.106 R)
• M30: 3,599,624 km (0.075 R)
• M31: 3,704,342 km (0.061 R)
• M32: 3,822,525 km (0.097 R)
• M33: 3,973,768 km (0.066 R)
• M34: 4,120,524 km (0.109 R)
• M35: 4,185,000 km (0.105 R)
• M36: 4,301,687 km (0.066 R)
• M37: 4,485,543 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 12.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 5.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,109,711 km

• M1: 176,675 km (0.103 R)
• M2: 275,110 km (0.093 R)
• M3: 356,791 km (0.095 R)
• M4: 443,558 km (0.098 R)
• M5: 527,931 km (0.11 R)
• M6: 622,477 km (0.113 R)
• M7: 713,582 km (0.104 R)
• M8: 824,583 km (0.105 R)
• M9: 938,427 km (0.038 R)
• M10: 1,049,728 km (0.12 R)
• M11: 1,204,412 km (0.034 R)
• M12: 1,295,667 km (0.115 R)
• M13: 1,444,218 km (0.108 R)
• M14: 1,532,481 km (0.12 R)
• M15: 1,617,901 km (0.118 R)
• M16: 1,798,765 km (0.109 R)
• M17: 1,899,444 km (0.107 R)
• M18: 1,996,832 km (0.111 R)
• M19: 2,133,116 km (0.106 R)
• M20: 2,267,006 km (0.07 R)
• M21: 2,403,888 km (0.041 R)
• M22: 2,487,364 km (0.095 R)
• M23: 2,663,141 km (0.071 R)
• M24: 2,837,124 km (0.087 R)
• M25: 2,943,488 km (0.086 R)
• M26: 3,027,113 km (0.034 R)
• M27: 3,160,105 km (0.107 R)
• M28: 3,301,475 km (0.03 R)
• M29: 3,407,241 km (0.04 R)
• M30: 3,507,771 km (0.119 R)
• M31: 3,603,065 km (0.059 R)
• M32: 3,796,196 km (0.104 R)
• M33: 3,959,856 km (0.114 R)
• M34: 4,125,909 km (0.045 R)
• M35: 4,280,593 km (0.08 R)
• M36: 4,362,274 km (0.106 R)
• M37: 4,679,721 km (0.07 R)
• M38: 4,883,772 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.9

Radius: 14.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,109,711 km

• M1: 187,895 km (0.119 R)
• M2: 316,549 km (0.095 R)
• M3: 419,921 km (0.05 R)
• M4: 515,813 km (0.068 R)
• M5: 674,836 km (0.079 R)
• M6: 768,335 km (0.115 R)
• M7: 968,497 km (0.085 R)
• M8: 1,221,766 km (0.119 R)
• M9: 1,332,169 km (0.104 R)
• M10: 1,566,888 km (0.114 R)
• M11: 1,661,135 km (0.079 R)
• M12: 1,821,952 km (0.059 R)
• M13: 1,934,151 km (0.08 R)
• M14: 2,126,683 km (0.055 R)
• M15: 2,295,579 km (0.095 R)
• M16: 2,451,909 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 10.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.74 AU - 1.14 AU

Year: 629 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 47,109,711 km

• M1: 133,740 km (0.106 R)
• M2: 211,083 km (0.099 R)
• M3: 295,755 km (0.119 R)
• M4: 363,822 km (0.112 R)
• M5: 538,104 km (0.107 R)
• M6: 641,326 km (0.096 R)
• M7: 709,692 km (0.109 R)
• M8: 790,475 km (0.108 R)
• M9: 874,699 km (0.111 R)
• M10: 1,108,071 km (0.093 R)
• M11: 1,175,241 km (0.093 R)
• M12: 1,244,056 km (0.067 R)
• M13: 1,349,822 km (0.076 R)
• M14: 1,501,813 km (0.117 R)
• M15: 1,576,911 km (0.079 R)
• M16: 1,653,356 km (0.095 R)
• M17: 1,744,162 km (0.117 R)
• M18: 1,877,004 km (0.036 R)
• M19: 1,978,731 km (0.068 R)
• M20: 2,082,552 km (0.082 R)
• M21: 2,173,956 km (0.086 R)
• M22: 2,245,314 km (0.034 R)
• M23: 2,390,275 km (0.097 R)
• M24: 2,493,647 km (0.059 R)
• M25: 2,575,926 km (0.073 R)
• M26: 2,651,473 km (0.054 R)
• M27: 2,727,917 km (0.113 R)
• M28: 2,843,856 km (0.094 R)
• M29: 2,961,589 km (0.103 R)
• M30: 3,056,883 km (0.099 R)
• M31: 3,226,228 km (0.069 R)
• M32: 3,415,319 km (0.085 R)
• M33: 3,498,795 km (0.088 R)
• M34: 3,599,774 km (0.106 R)
• M35: 3,667,541 km (0.11 R)
• M36: 3,735,908 km (0.113 R)
• M37: 3,821,926 km (0.116 R)
• M38: 3,925,897 km (0.067 R)
• M39: 4,030,915 km (0.098 R)
• M40: 4,225,990 km (0.098 R)
• M41: 4,369,754 km (0.066 R)
• M42: 4,515,313 km (0.116 R)
• M43: 4,951,839 km (0.092 R)
• M44: 5,027,536 km (0.094 R)
• M45: 5,132,254 km (0.056 R)
• M46: 5,314,913 km (0.103 R)
• M47: 5,489,793 km (0.104 R)
• M48: 5,965,813 km (0.114 R)
• M49: 6,086,988 km (0.078 R)
• M50: 6,198,737 km (0.094 R)
• M51: 6,321,408 km (0.073 R)
• M52: 6,434,504 km (0.105 R)
• M53: 6,704,677 km (0.098 R)
• M54: 6,830,639 km (0.084 R)
• M55: 7,010,455 km (0.067 R)
• M56: 7,116,969 km (0.11 R)
• M57: 7,224,081 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.86 AU - 1.2 AU

Year: 722 Days

Day: 11.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,109,711 km

• M1: 192,532 km (0.117 R)
• M2: 288,724 km (0.118 R)
• M3: 382,522 km (0.096 R)
• M4: 484,697 km (0.084 R)
• M5: 593,006 km (0.102 R)
• M6: 719,416 km (0.111 R)
• M7: 840,441 km (0.062 R)
• M8: 952,190 km (0.115 R)
• M9: 1,043,146 km (0.11 R)
• M10: 1,164,919 km (0.1 R)
• M11: 1,359,845 km (0.056 R)
• M12: 1,474,287 km (0.063 R)
• M13: 1,586,934 km (0.118 R)
• M14: 1,859,950 km (0.06 R)
• M15: 2,102,299 km (0.117 R)
• M16: 2,195,199 km (0.066 R)
• M17: 2,355,269 km (0.102 R)
• M18: 2,476,443 km (0.056 R)
• M19: 2,618,561 km (0.062 R)
• M20: 2,712,658 km (0.112 R)
• M21: 2,846,548 km (0.1 R)
• M22: 2,956,503 km (0.104 R)
• M23: 3,048,206 km (0.092 R)
• M24: 3,349,646 km (0.058 R)
• M25: 3,459,152 km (0.092 R)
• M26: 3,604,860 km (0.089 R)
• M27: 3,745,482 km (0.104 R)
• M28: 3,931,133 km (0.084 R)
• M29: 4,032,411 km (0.053 R)
• M30: 4,127,256 km (0.075 R)
• M31: 4,222,849 km (0.107 R)
• M32: 4,446,348 km (0.114 R)
• M33: 4,574,852 km (0.087 R)
• M34: 4,689,145 km (0.058 R)
• M35: 4,858,640 km (0.101 R)
• M36: 5,211,840 km (0.055 R)
• M37: 5,363,532 km (0.084 R)
• M38: 5,540,956 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 8.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.73 AU - 2.45 AU

Year: 2086 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 47,109,711 km

• M1: 131,945 km (0.044 R)
• M2: 228,885 km (0.106 R)
• M3: 322,982 km (0.083 R)
• M4: 422,464 km (0.101 R)
• M5: 503,546 km (0.114 R)
• M6: 597,195 km (0.059 R)
• M7: 745,895 km (0.053 R)
• M8: 832,512 km (0.064 R)
• M9: 945,758 km (0.116 R)
• M10: 1,264,700 km (0.105 R)
• M11: 1,847,833 km (0.074 R)
• M12: 1,937,442 km (0.114 R)
• M13: 2,008,052 km (0.117 R)
• M14: 2,079,710 km (0.104 R)
• M15: 2,236,039 km (0.108 R)
• M16: 2,660,748 km (0.113 R)
• M17: 2,728,366 km (0.095 R)
• M18: 2,785,213 km (0.097 R)
• M19: 3,253,754 km (0.046 R)
• M20: 3,326,159 km (0.06 R)
• M21: 3,399,163 km (0.113 R)
• M22: 3,460,498 km (0.041 R)
• M23: 3,671,431 km (0.08 R)
• M24: 3,759,544 km (0.11 R)
• M25: 3,886,702 km (0.086 R)
• M26: 4,041,237 km (0.086 R)
• M27: 4,263,539 km (0.107 R)
• M28: 4,342,976 km (0.117 R)
• M29: 4,516,809 km (0.077 R)
• M30: 4,679,272 km (0.081 R)
• M31: 4,761,251 km (0.114 R)
• M32: 4,899,031 km (0.062 R)
• M33: 5,122,081 km (0.113 R)
• M34: 5,249,090 km (0.091 R)
• M35: 5,506,249 km (0.052 R)
• M36: 5,665,421 km (0.091 R)
• M37: 6,018,023 km (0.077 R)
• M38: 6,242,121 km (0.098 R)
• M39: 6,302,259 km (0.104 R)
• M40: 6,362,697 km (0.102 R)
• M41: 6,590,983 km (0.114 R)
• M42: 6,652,318 km (0.064 R)
• M43: 6,883,896 km (0.085 R)
• M44: 6,992,952 km (0.107 R)
• M45: 7,355,279 km (0.091 R)
• M46: 7,562,771 km (0.099 R)
• M47: 7,804,671 km (0.109 R)
• M48: 8,032,658 km (0.088 R)
• M49: 8,180,460 km (0.119 R)
• M50: 8,528,724 km (0.05 R)
• M51: 8,646,009 km (0.072 R)
• M52: 8,797,402 km (0.1 R)
• M53: 9,000,705 km (0.066 R)
• M54: 9,120,085 km (0.117 R)
• M55: 9,515,921 km (0.057 R)
• M56: 9,952,447 km (0.09 R)
• M57: 10,111,170 km (0.106 R)
• M58: 10,217,535 km (0.096 R)
• M59: 10,342,150 km (0.096 R)
• M60: 10,502,967 km (0.042 R)
• M61: 11,026,859 km (0.088 R)
• M62: 11,209,518 km (0.053 R)
• M63: 11,540,728 km (0.105 R)
• M64: 11,837,979 km (0.094 R)
• M65: 12,194,171 km (0.106 R)
• M66: 12,288,567 km (0.107 R)
• M67: 12,898,029 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 12.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.27 AU - 5.27 AU

Year: 6091 Days

Day: 5.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 47,109,711 km

• M1: 192,084 km (0.115 R)
• M2: 338,690 km (0.065 R)
• M3: 440,117 km (0.097 R)
• M4: 608,714 km (0.073 R)
• M5: 771,327 km (0.119 R)
• M6: 1,119,142 km (0.119 R)
• M7: 1,250,189 km (0.116 R)
• M8: 1,374,056 km (0.084 R)
• M9: 1,648,120 km (0.098 R)
• M10: 1,729,800 km (0.065 R)
• M11: 1,840,951 km (0.093 R)
• M12: 1,997,730 km (0.08 R)
• M13: 2,085,245 km (0.108 R)
• M14: 2,189,066 km (0.058 R)
• M15: 2,495,292 km (0.094 R)
• M16: 2,573,981 km (0.07 R)
• M17: 2,848,343 km (0.074 R)
• M18: 3,407,989 km (0.116 R)
• M19: 3,584,365 km (0.096 R)
• M20: 3,891,340 km (0.085 R)
• M21: 3,983,193 km (0.079 R)
• M22: 4,094,494 km (0.114 R)
• M23: 4,282,389 km (0.098 R)
• M24: 4,396,532 km (0.12 R)
• M25: 4,550,318 km (0.096 R)
• M26: 4,922,668 km (0.032 R)
• M27: 5,284,545 km (0.055 R)
• M28: 5,510,138 km (0.105 R)
• M29: 7,063,563 km (0.092 R)
• M30: 7,725,533 km (0.094 R)
• M31: 7,865,108 km (0.079 R)
• M32: 8,052,255 km (0.064 R)
• M33: 8,767,782 km (0.059 R)
• M34: 8,913,340 km (0.047 R)
• M35: 9,379,637 km (0.101 R)
• M36: 9,478,820 km (0.107 R)
• M37: 9,603,286 km (0.105 R)
• M38: 9,753,332 km (0.103 R)
• M39: 9,929,409 km (0.083 R)
• M40: 10,182,828 km (0.073 R)
• M41: 10,284,854 km (0.088 R)
• M42: 10,696,098 km (0.07 R)
• M43: 10,903,890 km (0.106 R)
• M44: 11,217,896 km (0.114 R)
• M45: 12,016,150 km (0.082 R)
• M46: 12,313,401 km (0.085 R)
• M47: 12,422,158 km (0.047 R)
• M48: 12,777,753 km (0.076 R)
• M49: 12,970,584 km (0.068 R)
• M50: 13,192,139 km (0.093 R)
• M51: 13,359,090 km (0.089 R)
• M52: 14,062,649 km (0.087 R)
• M53: 14,404,629 km (0.107 R)
• M54: 14,576,667 km (0.087 R)
• M55: 14,662,835 km (0.103 R)
• M56: 14,922,687 km (0.118 R)
• M57: 15,009,753 km (0.118 R)
• M58: 15,096,819 km (0.1 R)
• M59: 15,447,027 km (0.075 R)
• M60: 16,155,373 km (0.111 R)
• M61: 16,393,982 km (0.119 R)
• M62: 16,814,053 km (0.045 R)
• M63: 17,025,584 km (0.089 R)
• M64: 17,207,495 km (0.115 R)
• M65: 17,481,558 km (0.109 R)
• M66: 18,003,356 km (0.032 R)
• M67: 18,811,334 km (0.089 R)
• M68: 19,062,209 km (0.029 R)
• M69: 19,599,266 km (0.111 R)
• M70: 20,013,353 km (0.05 R)
• M71: 20,141,259 km (0.058 R)
• M72: 20,559,086 km (0.071 R)
• M73: 20,914,830 km (0.056 R)
• M74: 21,305,280 km (0.091 R)
• M75: 21,436,028 km (0.075 R)
• M76: 22,060,450 km (0.102 R)
• M77: 22,225,756 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 9.8

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.43 AU - 6.39 AU

Year: 8686 Days

Day: 5.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 47,109,711 km

• M1: 341,981 km (0.08 R)
• M2: 403,615 km (0.08 R)
• M3: 616,044 km (0.046 R)
• M4: 761,304 km (0.104 R)
• M5: 829,819 km (0.103 R)
• M6: 936,782 km (0.094 R)
• M7: 1,369,419 km (0.101 R)
• M8: 1,585,588 km (0.066 R)
• M9: 1,883,138 km (0.037 R)
• M10: 2,002,367 km (0.102 R)
• M11: 2,636,214 km (0.09 R)
• M12: 2,743,176 km (0.093 R)
• M13: 2,851,635 km (0.11 R)
• M14: 3,044,915 km (0.11 R)
• M15: 3,271,107 km (0.089 R)
• M16: 3,921,559 km (0.098 R)
• M17: 4,074,896 km (0.116 R)
• M18: 4,773,518 km (0.116 R)
• M19: 5,036,811 km (0.076 R)
• M20: 5,271,081 km (0.078 R)
• M21: 5,543,200 km (0.088 R)
• M22: 5,889,967 km (0.105 R)
• M23: 5,995,284 km (0.12 R)
• M24: 6,172,408 km (0.103 R)
• M25: 6,568,095 km (0.059 R)
• M26: 6,935,058 km (0.057 R)
• M27: 7,384,151 km (0.063 R)
• M28: 8,310,611 km (0.103 R)
• M29: 8,389,449 km (0.032 R)
• M30: 8,667,551 km (0.061 R)
• M31: 8,747,436 km (0.117 R)
• M32: 8,988,887 km (0.093 R)
• M33: 10,018,569 km (0.098 R)
• M34: 10,313,576 km (0.085 R)
• M35: 10,739,930 km (0.061 R)
• M36: 11,654,123 km (0.108 R)
• M37: 12,277,348 km (0.11 R)
• M38: 12,729,283 km (0.099 R)
• M39: 13,232,680 km (0.111 R)
• M40: 13,324,832 km (0.117 R)
• M41: 13,509,885 km (0.063 R)
• M42: 13,882,682 km (0.084 R)
• M43: 14,400,740 km (0.085 R)
• M44: 14,781,466 km (0.113 R)
• M45: 14,877,209 km (0.073 R)
• M46: 16,090,897 km (0.117 R)
• M47: 16,436,468 km (0.091 R)
• M48: 17,336,149 km (0.082 R)
• M49: 17,945,013 km (0.108 R)
• M50: 18,974,994 km (0.066 R)
• M51: 20,449,131 km (0.08 R)
• M52: 20,769,869 km (0.107 R)
• M53: 21,416,132 km (0.082 R)
• M54: 21,796,260 km (0.118 R)
• M55: 21,905,317 km (0.069 R)
• M56: 22,123,879 km (0.075 R)
• M57: 23,005,310 km (0.102 R)
• M58: 25,775,564 km (0.096 R)
• M59: 27,229,056 km (0.099 R)
• M60: 27,464,075 km (0.063 R)
• M61: 29,068,213 km (0.117 R)
• M62: 30,397,539 km (0.047 R)
• M63: 31,315,322 km (0.056 R)
• M64: 32,304,164 km (0.046 R)
• M65: 32,615,328 km (0.036 R)
• M66: 33,743,595 km (0.062 R)
• M67: 34,059,396 km (0.071 R)
• M68: 34,375,945 km (0.11 R)
• M69: 34,948,456 km (0.067 R)
• M70: 35,140,091 km (0.091 R)
• M71: 35,203,969 km (0.089 R)
• M72: 35,845,295 km (0.107 R)
• M73: 36,102,903 km (0.073 R)
• M74: 36,232,006 km (0.049 R)
• M75: 37,074,392 km (0.068 R)
• M76: 37,923,359 km (0.107 R)
• M77: 38,449,046 km (0.058 R)
• M78: 39,109,521 km (0.063 R)
• M79: 39,640,444 km (0.111 R)
• M80: 39,707,015 km (0.081 R)
• M81: 40,508,560 km (0.105 R)
• M82: 43,218,526 km (0.034 R)
• M83: 44,180,739 km (0.084 R)
• M84: 45,497,948 km (0.06 R)
• M85: 46,126,409 km (0.048 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 11,171 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit